The principal sail in a ship or other vessel.
The principal sail of a ship; the sail of the main-mast.
the principal sail of a sailing vessel.
(main)(mains'l) The largest regular sail on a boat, which is attached to the mast, and often referred to as the main
The primary sail which attaches to the aft side of the mast, and to the boom.
Main or biggest sail on a sailing vessel.
the main power source for a sailboat
or Mains'l - On the Lady Washington, a large fore-and-aft sail bent onto the main mast. It is spread between a boom and a gaff aft of the main mast.
the lowermost sail on the mainmast
The large triangular sail attached to the mast and boom.
The tallest sail on the boat, raised on the mast and fixed to the boom. The other sail on a sloop-rigged boat (a boat with one mast and two sails) is the jib, which is forward of the mainsail.
the sail which is attached to the mast and boom, usually the biggest working sail; often called simply the main.
The largest sail. (Except for the spinnaker.)
The larger sail behind the mast.
'The main' is carried on and abaft the main mast.
The "main sail" on the boat, or one located on the aft side of the mast.
The sail that is hanked onto the mast and the boom. On my boat, the aftmost sail.
The largest regular sail on a sailboat.
sail behind the mast in a sloop-rigged (2-sailed) boat
the main, um, sail.
The lowest sail on a mast, especially the mainmast. (See rigging illustration.)
Boat's principal sail, set aft of mainmast.
The main sail that is suspended from the main mast.
Sails , Rigging Marlinspike Tools
The lowest square sail on the mainmast.
A mainsail is the most important sail raised from the main (or only) mast of a sailing vessel.